/Engine/Plugins/Enterprise/DatasmithImporter/Source/ExternalSource/Public/IUriResolver.h
Return theFExternalSourceassociated to the given Uri, either by creating it or returning a cached value. Returns nullptr if the Uri is not compatible.
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FExternalSource](API\Plugins\ExternalSource\FExternalSource) > GetOrCreateExternalSource ( const [FSourceUri](API\Plugins\ExternalSource\FSourceUri) & Uri ) const